Volkswagen New Beetle. Manual - part 1852

 

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Volkswagen New Beetle. Manual - part 1852

 

 

3.  

If "Channel 21 Adapting 2 Enter Adaptation Value XXXXX" displays on scan tool. Press "0" key 4 times 
and than enter total number of keys to be adapted, including key in ignition (e.g. 1 new key, 1 key in 
ignition and 3 additional keys would be "00005", a total of 8 keys is maximum) and enter by pressing "Q" 
key. "Channel 21 Adapting 5 <-1 3->" should display (e.g. if 5 keys are to be adapted) and enter by 
pressing "Q" key. "Channel 21 Adapting 5 Store Changed Value ?" should display (e.g. if 5 keys are to be 
adapted). Press "Q" key to enter. "Channel 21 Adapting 5 Store Changed Value Is Stored" should display 
(e.g. if 5 keys are to be adapted). In VDO instrument clusters, warning light for immobilizer should go 
out. Key in ignition is now adapted. Press right arrow key. Switch ignition off and remove key. Go to 
next step.  

4. Insert next key to be adapted in ignition lock and turn ignition on. Warning light for anti-theft 

immobilizer lights up for approximately 2 seconds and then goes out. When warning light for anti-theft 
immobilizer goes out, turn ignition off and remove key. Repeat this procedure until all keys are adapted. 
Warning light for anti-theft immobilizer flashes briefly after last key is adapted. Press keys "0" and "2" 
for "Check DTC Memory" function "2". If no DTC(s) are stored adapting of all keys was successful. 

OXYGEN SENSOR ADAPTATION 

Checking Oxygen Sensor Adaptation is part of Readiness Code procedures. Oxygen sensors are self adapting.  

SUMMARY 

If no Diagnostic Trouble Codes (DTCs) are present and a no-start condition exists, proceed to appropriate 
BASIC DIAGNOSTIC PROCEDURES article. If no DTCs are present and a driveability condition exists, 
proceed to appropriate TROUBLE SHOOTING - NO CODES article for diagnosis by symptom (i.e., ROUGH 
IDLE, ENGINE STALLS, etc.).  

CONNECTING VAG TEST BOX 

BEETLE 

Turn ignition off. Move center dash panel forward and up. See Fig. 6 . Remove center dash panel. Remove 
screw for left front dash cover. Lift cover at right side and pull to right to remove. Connect test equipment. See 
Fig. 9 .  

NOTE:

If warning light flashes continuously, key adapting procedure is faulty and 
must be performed again. Only 30 seconds of ignition on time is given to 
adapt all keys, 30 seconds start from the time immobilizer warning light 
goes out when first key is adapted. Warning light flashes quickly and a 
DTC is stored if 30 seconds are exceeded when adapting all ignition keys. 
During time period that ignition is turned off, time does not register. 

NOTE:

Identity of ECM is read into the immobilizer control module next time 
ignition is switched on. 

 

2003 Volkswagen New Beetle GLS 

2002-2003 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo

  

Helpmelearn Repair Manuals 

 

Wednesday, December 14, 2005 8:44:29 AM

Page 30 

© 2004 Mitchell Repair Information Company, LLC. 

Fig. 9: Connecting VAG Test Box 1598/31 (Beetle) 
Courtesy of VOLKSWAGEN UNITED STATES, INC. 

GTI & JETTA 

Turn ignition off. Remove wiper arms and cowl panel. Connect test equipment. See Fig. 10 .  

 

2003 Volkswagen New Beetle GLS 

2002-2003 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo

  

Helpmelearn Repair Manuals 

 

Wednesday, December 14, 2005 8:44:29 AM

Page 31 

© 2004 Mitchell Repair Information Company, LLC. 

Fig. 10: Connecting VAG Test Box 1598/31 (GTI & Jetta) 
Courtesy of VOLKSWAGEN UNITED STATES, INC. 

PASSAT 

Turn ignition off. Connect test equipment. See Fig. 11 

 

2003 Volkswagen New Beetle GLS 

2002-2003 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo

  

Helpmelearn Repair Manuals 

 

Wednesday, December 14, 2005 8:44:29 AM

Page 32 

© 2004 Mitchell Repair Information Company, LLC. 

Fig. 11: Connecting VAG Test Box 1598/31 (Passat) 
Courtesy of VOLKSWAGEN UNITED STATES, INC. 

DIAGNOSTIC TROUBLE CODE IDENTIFICATION 

Diagnostic information is identified by model and engine code. See ENGINE CODES (2000-03) table. Use 
DTC IDENTIFICATION table to identify possible cause. If ECM is experiencing a communication failure 
(no communication at all), see SYSTEM & COMPONENT TESTING article and perform appropriate tests. 

NOTE:

Read and record DTCs before starting diagnostic work, (some testing 
procedures will set DTCs). 

NOTE:

Manufacturer recommends use of Scan Tool VAG 1551/1552 or VAS 5051/5052. 
Generic scan tool may not be able to perform all test functions. If engine does 
not start, (this test requires using Scan Tool VAG 1551/1552 or VAS 5051/5052). 
Connect scan tool. Operate starter for approximately 6 seconds, do not switch 
ignition off. Turn on scan tool printer. Operate scan tool, according to scan tool 
display information. Check for DTCs. 

 

2003 Volkswagen New Beetle GLS 

2002-2003 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo

  

Helpmelearn Repair Manuals 

 

Wednesday, December 14, 2005 8:44:29 AM

Page 33 

© 2004 Mitchell Repair Information Company, LLC. 

 

 

 

 

 

 

 

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